Invalid subtaxa: Allosaurus medius Marsh 1888 [nomen dubium], Allosaurus tendagurensis Janensch 1925 [nomen dubium], Altispinax Huene 1923 [nomen dubium], Antrodemus medius Marsh 1888 [nomen dubium], Antrodemus tendagurensis Janensch 1925 [nomen dubium], Caudocoelus Huene 1932 [nomen dubium], Ceratosaurus ingens Janensch 1920 [nomen dubium], Chienkosaurus Young 1942 [nomen dubium], Creosaurus potens Lull 1911 [nomen dubium], Dandakosaurus Yadagiri 1982 [nomen dubium], Dryptosaurus medius Marsh 1888 [nomen dubium], Dryptosaurus potens Lull 1911 [nomen dubium], Inosaurus Lapparent 1960 [nomen dubium], Megalosaurus cuvieri Owen 1842 [nomen dubium], Megalosaurus ingens Janensch 1920 [nomen dubium], Megalosaurus pannoniensis Seeley 1881 [nomen dubium], Phaedrolosaurus Dong 1973 [nomen dubium], Prodeinodon Osborn 1924 [nomen dubium], Sinocoelurus Young 1942 [nomen dubium], Streptospondylus cuvieri Owen 1842 [nomen dubium], Streptospondylus pannoniensis Seeley 1881 [nomen dubium], Teinurosaurus Nopcsa 1928 [nomen dubium]
Full reference: J. A. Gauthier. 1986. Saurischian monophyly and the origin of birds. The Origin of Birds and the Evolution of Flight, K. Padian (ed.), Memoirs of the California Academy of Sciences 8:1-55
Parent taxon: Averostra according to M. T. Carrano et al. 2012
Sister taxon: Ceratosauria
Subtaxa: Becklespinax, Chuandongocoelurus, Coelurosauria, Cruxicheiros, Cryolophosaurus, Eustreptospondylidae, Gasosaurus, Kaijiangosaurus, Kayentavenator, Monolophosaurus, Neotetanurae, Orionides, Spinosauroidea, Torvosauroidea
Ecology: ground dwelling carnivore